Relative dating is how scientists determine how old a species is by looking at the undisturbed layers of rock. The deeper down the layer is the older the fossil is. (:
-Relative dating is older than radiometric dating. -Radiometric dating started being used after World War II-With relative dating, scientists rely on stratigraphy to determine the age of a...
Carbon is a naturally abundant element found in the atmosphere, in the earth, in the oceans, and in every living creature. C-12 is by far the most common isotope, while only about one in a trillion...